Diligence memo · auto-generated · as of July 2, 2026
Tombstone Exploration Corp
Tombstone Exploration Corp looks under-valued against its niche peers and is dormant on financing cadence.
Businessfiled
Tombstone Exploration Corp operates in Other Energy, based in SCOTTSDALE.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Tombstone Exploration Corp has raised $117K in disclosed capital across 1 recorded round, aggregated from public filings. Its latest round is modeled as Pre-Seed (a round under $1.0M).
Largest single filing: $117K on 2013-06-13.
Most recent recorded round closed around 2013-06-13.
Valuation (modeled)modeled
Provath models Tombstone Exploration Corp at approximately $1.9M (range $74K–$21M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Under-valued. Modeled value is 0.43× the median modeled value of Pre-Seed Other Energy companies in 2013–2015 (87 peers) — value vs value, same stage and era.
Financing rhythm & timingmixed
Last raise 13.1 yr ago; this sector typically re-raises about every 12 months.
Only one round on record and long silent — often defunct, acquired, or gone quiet.
Comparablesmixed
Capital scale ranks ahead of 3% of Other Energy peers (2049 compared).
Modeled value ranks above 9% of those peers.
Closest niche peers: Circular Energy, LP, Tbc I Llc, Radian Generation LLC, First Century Energy Holdings, Inc., Millennium Industries, LLC.
Peoplefiled
2 named people on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.